| 摘要 |
&sect& any surgical applications require the heating of a tissue site. The heating of the site may be for the purpose ablating the tissue, shrinking the tissue, coagulating the tissue, cauterizing the tissue, or the like. Vapor provides a medium for transfer of thermal energy to a tissue site. The vapor rapidly heats the tissue rapidly upon release of thermal energy in the phase change of the vapor from gas to liquid. By changing attributes of the vapor such as duration, direction, pressure, volume, and temperature, the effect, i.e. ablation, coagulation, or the like, of the heating can be controlled.
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